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Project GESTDOMANDA 2015

Demand side management

Power System Research


Giuseppe Mauri

The document presents a summary of the results achieved by research on Demand Side Management with particular reference to applications of dynamic pricing, use of flexible loads for responding to dynamics of the electricity markets, involvement of residential users, analysis of customers with Social Bonus, aspects of building integration including diagnostics, but also the rebound effect and the Grid Defection

This report refers to the research carried out by RSE in the period January 2015 ÷ February 2016 in the "Demand Side Management" project.

The project evaluates in the Italian context the application of schemes and tools for demand side management. These tools range from systems for displaying and presenting electricity consumption to widespread customers, optimization systems for demand management, depending on contract power and energy supply prices, flexible management of renewable energy resources eventually equipped with energy storage systems, for the provision of network services.

Starting from the most significant international experience of dynamic pricing schemes (energy prices vary over time depending on market conditions or management problems of the electrical system), the possible applications to the Italian context are identified. The analysis of the day-ahead markets of the Italian and German ancillary services, has highlighted economic benefits that flexible industrial loads could get by participating to the market. The first results of the “Energia su misura” project highlights the importance of providing feedback to residential customers and how to encourage good behavior in order to improve the energy efficiency of households.

The knowledge gained is used to define innovative features to implement in the laboratory "Casetta domotica" and "Test Facility" of RSE. It also provides guidance on the integration of photovoltaic systems in buildings. Specifically, functional and energy characteristics of the modules and components are analyzed. Both innovative and operational PV plants in various environmental conditions were analyzed, in order to correlate their performances to the installation design choices. In residential installations it is more than ever important for a proper understanding of the fire behavior characteristics of the PV modules.

For this purpose test protocols have been refined. A recent emerged theme is the rebound effect as a result of an households energy retrofit. It was therefore evaluated the rebound effect on the basis of theoretical evaluations and of a collection of real case studies bringing out the importance of the user behavior which is more crucial as much as the performance of the buildings are close to almost zero energy balance. The report also brings the measurement results of the frequency spectra of various LED lamps, a technology that allows to modulate the brightness in a very short time in function of technical-economic requirements and demand management.

In addition, the economic feasibility of the grid defection (disconnection from the national grid through self-production of electricity and heat) is analyzed in the Italian context, which is possible by using new management technologies for demand side management.

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Mauri Giuseppe